WHAT IS THE VALUE OF Y

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2